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Allen Wrench / Hollow Set Screw Sizes
Wrench
Set
screw
Cap
screw
.050
3-4
0
1/16
5-6
1
5/64
8
2-3
3/32
10
4-5
7/64
-
6
1/8
1/4
-
9/64
-
8
5/32
5/16
10
3/16
3/8
1/4
7/32
7/16
-
1/4
1/2
5/16
last updated 1 Apr 2005